In this issue if SW Biweekly, read about Leon Marchand, who just produced the second-fastest swim in history in the 400-meter IM, not far off the world record of Michael Phelps. Also featured is a ranking of the top ten men' and women's performances from the 19th World Championships; Gregorio Patrinieri and Italy continue to elevate global presence; Summer McIntosh pointed toward greatness; Sarah Sjostrom claims second world crown in 50 free and fourth straight medal; David Popovici and Kristof Milak pose rare threat to Caeleb Dressel's dominance; Dressel's withdrawal leaves hole at World Championships; Katie Ledecky retakes 400 free world title, takes another 1500 free title; Katie Grimes completes U.S. 1-2; Torri Huske's wins put her in elite company; Florian Wellbrock, Ana Marcela Cunha claim 5k gold